New Fluorescence PET Systems Based on N<sub>2</sub>S<sub>2</sub> Pyridine-Anthracene-Containing Macrocyclic Ligands. Spectrophotometric, Spectrofluorimetric, and Metal Ion Binding Studies
作者:Abel Tamayo、Carlos Lodeiro、Lluis Escriche、Jaume Casabó、Berta Covelo、Pablo González
DOI:10.1021/ic050926d
日期:2005.10.1
explored; these are the macrocycles 7-(9-anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,1 5-triene (L1) and 7-(10-methyl-9-anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca- 1(17),13,15-triene (L2) and the bis macrocycle 7,7'-[9,10-anthracenediylbis(methylene)]bis-3,11-dithia-7,17-diazabicyclo[11.3.1] heptadeca-1(17),13,15-triene (L3). All these systems have
合成并表征了三种用于质子和金属离子的新型荧光装置,并研究了它们的光物理性质。这些是大环7-(9-蒽烯基甲基)-3,11-二硫-7,17-二氮杂双环[11.3.1] heptadeca-1(17),13,1 5-三烯(L1)和7-(10-甲基-9-蒽基甲基)-3,11-二硫杂-7,17-二氮杂双环[11.3.1]十七烷基-1(17),13,15-三烯(L2)和双大环7,7'-[9, 10-蒽二基双(亚甲基)双-3,11-二硫-7,17-二氮杂双环[11.3.1]庚烷-1(17),13,15-三烯(L3)。所有这些系统都具有含吡啶基-硫醚的大环作为结合位点,并具有蒽部分作为信号传导剂。这些配体对Cu(II),Co(II),Ni(II),Zn(II)和Pd(II)的配位性质已在溶液和固态下进行了研究。将这些金属离子添加到L1,L2和L3的二氯甲烷溶液中会在这些配体的吸收光谱和发射光谱中产生强烈变化。从吸收和荧光滴定确定了在298